Download or read book Gray Bat Myotis Grisescens Population and Protection System Monitoring written by Everett M. Grigsby and published by . This book was released on 1995 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Assessment of the Population Status of the Gray Bat Myotis Grisescens Status Review DoD Initiatives and Results of a Multi Agency Effort to Survey Wintering Populations at Major Hibernacula 2005 2007 written by and published by . This book was released on 2007 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The gray bat (Myotis grisescens) is a federally listed endangered species known to occur on several U.S. Army installations in the eastern United States. Seven Army installations and one Air Force base have documented gray bat populations, and these facilities have undertaken programs to protect roosting and foraging sites important to the species. This report reviews the status of the gray bat throughout its range and assesses the population status of gray bats at major hibernacula in Arkansas, Missouri, Kentucky, and Tennessee. Survey records obtained from state agencies showed that in recent years gray bat populations have increased significantly in most primary summer and winter caves. In 2005 the Army cooperated with the U.S. Fish and Wildlife Service and other state and Federal agencies to undertake a range-wide survey of primary gray bat hibernacula. Hibernacula surveys were conducted from December 2005 - January 2007 in ii caves considered to be critical wintering sites. Results of the survey showed stable to increasing population levels across the species' range. Additionally, a Department of Defense Legacy project was implemented to support conservation efforts to assist with recovery of the gray bat. The project funded improvements and protection of several cave sites in Tennessee and Kentucky, hibernacula surveys of selected caves, and summer surveys of maternity caves in Tennessee. The Army Threatened and Endangered Species Research Program also provided support for these tasks. The current range-wide population of the gray bat is estimated at approximately 3.4 million bats.
Download or read book Gray Bat Recovery Plan written by and published by . This book was released on 1982 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Population Ecology of the Gray Bat Myotis Grisescens written by Merlin D. Tuttle and published by . This book was released on 1971 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Population Ecology of the Gray Bat Myotis Grisescens written by Jaime E. Pefaur and published by . This book was released on 1974 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Population Ecology of the Gray Bat Myotis Grisescens written by Merlin D. Tuttle and published by Forgotten Books. This book was released on 2016-09-26 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Population Ecology of the Gray Bat (Myotis Grisescens): Factors Influencing Early Growth and Development In 1970 each of the six study caves was Visited at 10-day intervals from April (except for cave 50, first Visited 31 May) through 6 August (caves 38 and 41 not Visited after 25 and 2 July respectively), and at 13 to 15-day intervals thereafter through the time of the bats' departure in October. Parturition commenced within the period 28 May to 4 June at all colonies and was more than 98% completed in approximately 15 days in the smallest colonies (12 and 25) and in 17 days in the remainder. Postnatal pre ight growth data were gathered on the following dates: cave 50 (31 May, 10, 20 June); cave 41 (2, 12, 22 June); cave 38 (5, 15, 25 June); cave 25 (6, 16, 26 June); cave 12 (7, 17, 27 June); cave 9 (8, 18, 28 June). About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."
Download or read book Population Ecology of the Gray Bat Myotis Grisescens written by Merlin D. Tuttle and published by Forgotten Books. This book was released on 2017-05-26 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Population Ecology of the Gray Bat (Myotis Grisescens): Philopatry, Timing and Patterns of Movement, Weight Loss During Migration, and Seasonal Adaptive Strategies Johnston, R. F selander, R. K. 1973. Evolution in the house sparrow, III. Variation in size and sexual dimorphism in Europe and North and South America. Amer. Natur., 107z373-390. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Download or read book Population Ecology of the Gray Bat Myotis Grisescens written by Merlin D. Tuttle and published by . This book was released on 1976 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Population Dynamics and Foraging Behavior of Gray Bats in Pittsburg KS written by Scott Marshall Robertson and published by . This book was released on 2003 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gray Bat myotis Grisescens and Ozark Big eared Bat plecotus Townsendii Ingens Cave Protection written by and published by . This book was released on 1991 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gray Bat Migration in Missouri written by Cheyenne Gerdes and published by . This book was released on 2016 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Migration is an important and understudied aspect of the life histories of many species, particularly bats. Migration impacts conservation efforts, including efforts to manage the impacts of wildlife disease. The federally endangered gray bat (Myotis grisescens) is a migratory species with documented infections by Pseudogymnoascus destructans, the fungus that causes White-nose Syndrome (WNS). To better understand migration as it might relate to WNS, I quantified the timing and location of gray bat movements in Missouri using acoustic detectors and bat banding. I recorded calls at 4 maternity sites from January to May 2015, and used the R package PVAClone to generate estimates of r and K as measures of arrival rate and an index of population size at the maternity sites respectively. These values were plotted against each cave’s distance from a major hibernaculum to examine whether there was an effect on the arrival of gray bats at a site. Values of r varied between 0.3 and 0.9, and values of K varied between 981 and 3020 among the maternity roosts: estimates were consistent whether considering observation error or not. While bats arrived at the closest maternity colony quicker and in greater numbers, the remaining rates and indices were equivocal with distance. Over 1,000 gray bats were banded and 18 were relocated, revealing previously undocumented connections between gray bat caves across the region. The acoustic methodology used in this thesis could be useful for management officials wanting to monitor the timing of bat migration and site activity, both of which could be affected by WNS. The cave network used by gray bats in Missouri could yield insight into how WNS spreads across cave networks.
Download or read book Gray Bat Myotis Grisescens Winter Activity in Southern Missouri written by Joshua David Parris and published by . This book was released on 2013 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: The arrival of white-nose syndrome (WNS) has stimulated interest in winter bat activity. Data from a bat activity study in southern Missouri indicated winter gray bat (Myotis grisescens) activity above expected levels. Study objectives were to assess gray bat winter activity including investigating winter feeding, the need for water, whether winter activity occurs at caves and foraging areas, whether gray bats are more active relative to other species, and the effect of climate variables. Acoustic monitoring occurred over three winters at areas in Laclede, Shannon, and Washington counties Missouri, and captures occurred during the 2012-13 winter at Coffin Cave in Laclede County and Bat Cave in Shannon County. I collected temperature, humidity, and barometric pressure data at Coffin Cave and Bat Cave during 2012-13. Gray bats were captured on 24 of 26 attempts, at temperatures as low as -1.7oC. Of 350 bats captured, three provided a feeding fecal sample during mid-winter. Urinating was recorded in >50% of gray bats. Those at Coffin Cave, with available water, urinated earlier than at Bat Cave, with no available water. Acoustic data indicated that gray bats were active all winter at caves and foraging areas and at higher proportions than expected based on cave populations. Activity at Bat Cave correlated with inside humidity and outside temperature, while activity at Coffin Cave did not correlate with climate variables. Activity at Bat Cave was higher than at Coffin Cave. Water needs appear to drive activity.
Download or read book Species Profile Gray Bat Myotis Grisescens On Military Installations In The Southeastern United States Technical Report SERDP 98 6 U S Department Of Defense March 1998 written by United States. Army. Corps of Engineers and published by . This book was released on 1998* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecological Behavior and Homing Ability of the Gray Bat Myotis Grisescens with a Review of Banding Techniques written by Wilbur J. Gunier and published by . This book was released on 1970 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Critical habitat of the gray bat Myotis grisescens in Kansas written by Jan Decher and published by . This book was released on 1989 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecology of the Gray Bat Myotis Grisescens in Kansas written by Everett M. Grigsby and published by . This book was released on 1965 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cave Ecology written by Oana Teodora Moldovan and published by Springer. This book was released on 2019-01-05 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cave organisms are the ‘monsters’ of the underground world and studying them invariably raises interesting questions about the ways evolution has equipped them to survive in permanent darkness and low-energy environments. Undertaking ecological studies in caves and other subterranean habitats is not only challenging because they are difficult to access, but also because the domain is so different from what we know from the surface, with no plants at the base of food chains and with a nearly constant microclimate year-round. The research presented here answers key questions such as how a constant environment can produce the enormous biodiversity seen below ground, what adaptations and peculiarities allow subterranean organisms to thrive, and how they are affected by the constraints of their environment. This book is divided into six main parts, which address: the habitats of cave animals; their complex diversity; the environmental factors that support that diversity; individual case studies of cave ecosystems; and of the conservation challenges they face; all of which culminate in proposals for future research directions. Given its breadth of coverage, it offers an essential reference guide for graduate students and established researchers alike.
